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AIR SYSTEM FOR A XEROGRAPHIC REPRODUCTION APPARATUS

Publishing Venue

Xerox Disclosure Journal

Abstract

es to a mu1 i-f unc ion air system for use in a xerographic reproduction apparatus. The system generally indicated by the reference character 10 utilizes an air compressor 12 attached to an air inlet tube 14 and an air intake filter 16. The positive side of the compressor provides air under pressure to an orifice 18 and to a diaphram 20. The air from the orifice 18 can be utilized for air cleaning of various elements of the xerographic processor while the diaphram can be utilized to effect pressure engagement between a fuser roll and a pressure roll (not shown). Positive air pressure is also supplied to a stripping nozzle 22 via a three-way solenoid valve 24.

Country

Undisclosed

Language

English (United States)

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'EROX DISCLOSURE JOURNAL

AIR SYSTEM FOR A XEROGRAPHIC REPRODUCTION APPARATUS Thomas F. Szlucha Michael Amato

A

Proposed Classification U.S. CI. 355/3 FU Int. C1. G03g 15/00

This disclosure re1

LJh /2

es to a mu1 i-f unc ion air system for use in a xerographic reproduction apparatus. The system generally indicated by the reference character 10 utilizes an air compressor 12 attached to an air inlet tube 14 and an air intake filter 16. The positive side of the compressor provides air under pressure to an orifice 18 and to a diaphram 20. The air from the orifice 18 can be utilized for air cleaning of various elements of the xerographic processor while the diaphram can be utilized to effect pressure engagement between a fuser roll and a pressure roll (not shown). Positive air pressure is also supplied to a stripping nozzle 22 via a three-way solenoid valve 24.

Similar air systems have been used to provide these functions, but this air system is thought to be unique in that it is multi-functional and designed in such a way that a pressure regulator is not required. Balancing of the system is accomplished by bleeding excess air via the nozzle 22 to provide sheet stripping from the fuser roll. Since airflow onto the fuser roll results in a region which locally is cooled, it is desirable to pulse the air. This is accomplished by alternately directing the air via the solenoid 24 through still another orifice 26 which is sized as is the nozzle 22 to act as a pressure regula...